MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is used as a lure, likely for phishing or to download further malware, aligning with the Spearphishing Attachment technique.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crewmak.ru/uplcv?utm_term=red+and+black+plaid+family+photos PDF link annotation
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774dc843ff3---58058565733.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/61509877370.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/259520854d0e25cdcfaf536f19ba9e6f/10956299278.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///bakavutuxoj.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/pavorarejinekuzade.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/8b6040a398fc234002bcb07f4f03e66b/vajulabobegopovalenadimuv.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/54c690a5a5700c016794471151456b2c/bonaforuraragoza.pdfIn PDF document text
- http://wsp.pl/userfiles/file/rovadipupalupadudomam.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da9e89903a---juviz.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/aeaebdd650bdbcecd4224fc481e82b76/voxakuwubopesudisada.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afc895a9bf---sotegutamumota.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/16076582112362---panik.pdfIn PDF document text
- https://art-eria.pl/mandarynka/pliki/files/85802404283.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/n0h106dtfsoh8jh05k7a064227/87615897285.pdfIn PDF document text
- https://avonsteel.com/UserFiles/file/josot.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/jd3qaan8gu0ha5otsonvp9mcm0/safususetix.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/71361830255.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160bd495e63ff8---30225602816.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1a9da5e34---63282796605.pdfIn PDF document text
- https://victorybear-info.com/userfiles/files/93284277404.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/dr7gccgvckapgu6dneg00db6j0/43466746100.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/75bd9c4f1f5cab4137fb8bd56df7e76a/dulelusadaduv.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/c13a936df35c3eb2fc920e87cf083b33/tezoxawilijowilo.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076d428a5f98---sunizafozoraporajida.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2B3 | 11176 bytes |
SHA-256: fa52b99df282d683af0c5b78d937826edb722f182b65b427204ee2d939ac8ea6 |
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font_01_sfnt_off0000ec73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10485 | 17316 bytes |
SHA-256: e69344716e923320c29e00ae18793431ce949894c6e561bd58e5a7fda80a0205 |
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